Obtains the condition of the system shifting to the direct cooling operating mode by using logarithmic mean temperature difference method.
对过渡季或全年需要供冷的空调系统,提出了在室外环境湿球温度比系统要求的冷水温度低3～5℃时制冷机停止运行,利用蒸发冷却技术由闭式冷却塔直接为系统提供冷量的节能方案;采用对数平均温差法计算得到了系统转换为直接供冷模式的工况条件;实例分析表明,采用闭式冷却塔在主机不运行工况下直接供冷节能效果明显,增加的设备投资可在两年内收回,具有较好的经济效益。
Design and energy-saving potential of closed cooling tower used in directly cooling in winter;
闭式冷却塔用于冬季直接供冷的设计及节能分析
Taking direct heat-supply project with geothermal water in Raoyang,Hebei Province for example,the schemes of direct heat-supply project with geothermal water are compared technically and economically.
以河北饶阳地热水直接供热工程为例,对地热水直接供热系统方案进行了技术与经济性比较。
Experimental study on ground temperature variation characteristics of a ground-sink direct cooling system
自然冷源土壤直接供冷空调系统土壤温变特性
Numerical Simulation and Experimental Study of a Ground Sink Direct Cooling System in Cold Climates
寒冷地区地埋管直接供冷系统数值模拟与试验研究
Direct Evaporation System with Refrigerant Natural Condensing and Pump Circulating;
自然冷凝液泵供液直接蒸发供冷系统的特性研究
Operating characteristics experiment of refrigeration system with supply liquid refrigerant by gravity and direct expansion in frost formation operating mode
结霜工况下重力供液与直接膨胀供液制冷系统运行特性
direct-expansion refrigerating plant
直接蒸发式冷冻装置
direct expansion air cooler
直接蒸发式空气冷却器
direct expansion refrigeration system
直接膨胀式制冷系统
The Use of Spray Cooling Technology to Direct Air-cooling System
直接空冷系统中喷雾冷却技术的应用
HOT-STATE WASHING OF AIR-COOLED CONDENSOR FOR 600 MW DIRECT AIR COOLED UNIT
600MW直接空冷机组空冷凝汽器热态冲洗
Comprehensive Technical & Economic Comparison between Indirect and Direct Air-Cooling Systems
间接空冷与直接空冷系统综合技术经济比较
fluid contact freezing
液体制冷剂直接接触冻结
Application of Preserving Heat and Direct-buried Pipeline for DHC System
区域供冷供热工程中的预制保温管道直埋应用
Numerical Study on Exterior Flow Field of Air Cooling Platform of Direct Air-cooling Units;
直接空冷机组空冷岛外部流场的数值研究
Structural Optimization and Analysis of Cold End System of 600MW Direct Air-cooling Units
600MW直接空冷机组冷端系统结构优化及分析
Numerical Simulation and Analysis on Spray Cooling System in the Direct Air-cooled
直接空冷中喷雾冷却系统数值模拟和分析
Experimental Investigation on Thermal Flow Field Characteristics of a Direct Air-cooled System for a Large Power Plant
发电厂直接空冷系统空冷岛热态流场特性分析
Influence of Air-cooled Condenser Expansion on Operational Performance of Direct Air-cooled System
空冷岛扩容对直接空冷系统运行特性的影响
Numerical Simulation and Applications of Direct Evaporative Cooling System;
直接蒸发冷却的数值模拟及应用研究